| Region | Typical Spring Onset | Spring Weather Signature | |--------|----------------------|--------------------------| | | Late February | Early heat, sudden thunderstorms | | Northeast (NY, Boston, Chicago) | Late March–April | Lingering snow, then rapid bloom | | Midwest (Ohio, Illinois, Kansas) | April | Tornado season, dramatic temperature swings | | Southwest (Arizona, New Mexico) | March | Brief green period before summer heat | | Pacific Northwest (Seattle, Portland) | April | Rainy, but lush green and flowers | | California | February–March | Wildflower superblooms possible |
During spring, the weather in the USA varies significantly across different regions: what month is spring in usa
Most US schools end their academic year in late May or early June , marking the transition from spring to summer vacation. | Region | Typical Spring Onset | Spring